Can I purchase U.S. Government securities at auction?

IBKR offers only brokered U.S. Certificates of Deposits (CDs) which are listed for trading on a secondary market. Unlike CDs purchased directly from a bank, brokered CDs cannot be redeemed prior to maturity but can be sold prior to maturity, assuming a secondary market exists…

A bond trading when-issued (WI) means that the bond has been authorized but not yet issued, and trades may be taking place conditionally to gauge the level of interest if/when formally issued.

IBKR does not support WI trading, however, the bond will be available once issued and trading on the secondary markets if it is otherwise supported…

U.S. Savings Bonds are considered non-marketable government securities and do not trade on secondary markets. As a result, IBKR does not accept deposits of or offer trading in these instruments…

Pursuant to the Securities Exchange Act of 1934 and the rules thereunder, any shares purchased through an US IPO offering will be subject to 100% margin for at least 30 days following the date on which the shares begin trading in the secondary market…